Lineman Apprentice Test ACTUAL EXAM ALL NEWEST QUESTIONS and CORRECT ANSWERS LATEST UPDATE THIS YEAR

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Lineman Apprentice Test ACTUAL EXAM ALL
NEWEST QUESTIONS and CORRECT ANSWERS
LATEST UPDATE THIS YEAR
QUESTION: An advantage of a Wye Primary system over a Delta primary system is? - ANSWER-

Increased power carrying capacity, better voltage regulation




QUESTION: The total flow of current from a generating plant may be as large as __________

amps. - ANSWER-20,000




QUESTION: How many Amps does a 120 volt, 60 watt incandescent bulb draw? - ANSWER-.5

amps, P=IxE I=P/E 60/120=.5




QUESTION: Thury system was generators connected in ______ to transmit ________ amps at

max voltage of _______ volts? - ANSWER-Series, 150 amps, 27,000 volts




QUESTION: An aluminum wire must be ________ times as big as copper is a cross section to

have the same conductivity. - ANSWER-1.66 (this means that aluminum is only 2/3 as

conductive as copper)


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QUESTION: Slices should not be installed ________ ft from a tie wire or armor rod. - ANSWER-1

ft (12")




QUESTION: Bolted connections may be used when? - ANSWER-If the wires to be connected are

not under tension




QUESTION: When splicing distribution wires, how far should the line be laid out straight before

splicing? - ANSWER-10 ft




QUESTION: The head of a hydraulic operated tool weighs approximately ________ lbs. -

ANSWER-15 lbs (tools operate w/ a pressure of 10,000 psi)




QUESTION: In the process of right of way clearing, trees and brush should receive a basil spray

treatment not less than ___ weeks before cutting to prevent regrowth. - ANSWER-2 weeks




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QUESTION: A light should be located from _____ to _____ ft over the surface of a road, less

than 40' wide and from ______ to ______ ft on roads more than 40' wide. - ANSWER-0-6 ft less

than 40'


6-12 ft over 40'




QUESTION: When splicing Transmission conductors/wires, how far out should a conductor be

laid in each direction before splicing? - ANSWER-40 ft from joining point




QUESTION: During CPR, do chest compressions circulate the same amount of blood as the heart

does normally? - ANSWER-Under best conditions, only 1/3 of normal flow is accomplished.




QUESTION: A _____ ft mast arm is used in alleys, a ________ ft mast arm is used in residential

areas w/ streets less than 40 ft wide, a _____ ft is used where streets are more than 40 ft wide

and in industrial/ commercial areas? - ANSWER-3 ft alleys


6 ft residential <40 ft


12 ft industrial >40 ft


The difference in a 3 wire & 4 wire distribution circuit is? - ANSWER-the Neutral wire




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QUESTION: What is the formula for power - ANSWER-P=VxI




QUESTION: Transmission voltage is generally _________ to _________. - ANSWER-138,000 to

765,000 volts




QUESTION: If the diameter of the pole to be set is 10", the diameter of the hole should be ____

to allow sufficient room for tamping. - ANSWER-16", 3" on each side of the pole




QUESTION: What are the component parts of a distribution system? - ANSWER-Distribution

Substation, feeder circuits, switches, protective equipment, primary circuits, distribution

transformers, secondaries, services.




QUESTION: What does MOV stand for? - ANSWER-Metal Oxide Varistor




QUESTION: DC Transmission was initiated in ______ during the year _______ - ANSWER-

Germany, 1883




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